Princeton Review

TEKS

These are the resources that support this TEKS Standard.

TEKS.HS.G.8a - Prove theorems about similar triangles, including the Triangle Proportionality theorem, and apply these theorems to solve problems.

Displaying 201 - 250 of 311 resources:

Thumbnail Image Title Description Curriculum Nodes
Definition--Triangle Concepts--Triangle Height

Definition--Triangle Concepts--Triangle Height

Triangle Height

Definition of a Triangle
Definition--Triangle Concepts--Triangle Inscribed in a Circle

Definition--Triangle Concepts--Triangle Inscribed in a Circle

Triangle Inscribed in a Circle

Definition of a Triangle
Definition--Triangle Concepts--Isosceles Triangle, Definition 1

Definition--Triangle Concepts--Triangle, Definition 1

Triangle, Definition 1

Definition of a Triangle
Definition--Triangle Concepts--Triangle, Definition 2

Definition--Triangle Concepts--Triangle, Definition 2

Triangle, Definition 2

Definition of a Triangle
Definition--Triangle Concepts--Vertex of a Triangle

Definition--Triangle Concepts--Vertex of a Triangle

Vertex of a Triangle

Definition of a Triangle
Geometry Applications Teachers Guide: Angles and Planes

Geometry Applications Teachers Guide: Angles and Planes

Geometry Applications Teachers Guide: Angles and Planes

This is the Teacher's Guide that accompanies Geometry Applications: Angles and Planes.

Applications of Angles and Planes
Geometry Applications: Archer Fish: Teacher's Guide

Geometry Applications: Archer Fish: Teacher's Guide

Geometry Applications: Archer Fish: Teacher's Guide

Archer Fish are amazing hunters, spraying water on insect prey to knock them into the water.

Right Triangles
Google Earth Voyager Story: The Geometry of Castles

Google Earth Voyager Story: The Geometry of Castles

Google Earth Voyager Story: The Geometry of Castles

Applications of Angles and Planes
Google Earth

Google Earth Voyager Story: Triangular Structures

Google Earth Voyager Story: Triangular Structures

Applications of Triangles
INSTRUCTIONAL RESOURCE: Activity Guide: Building a Scale Model of Himeji Castle

INSTRUCTIONAL RESOURCE: Activity Guide: Building a Scale Model of Himeji Castle

This hands-on activity is a companion to the video segment from the Geometry Applications: Angles and Planes video. In particular, it supports the segment on the architecture of Himeji Castle.

Applications of Angles and Planes, Applications of Transformations and Proportions
INSTRUCTIONAL RESOURCE: Math Examples--Right Triangles

INSTRUCTIONAL RESOURCE: Math Examples 46

INSTRUCTIONAL RESOURCE: Math Examples--Right Triangles

This set of tutorials provides 26 examples of how to find the length of a side of a triangle using given angle or side measurements.

Right Triangles
MATH EXAMPLES--Angle Measures

INSTRUCTIONAL RESOURCE: Math Examples 63

MATH EXAMPLES--Angle Measures

This set of tutorials provides 48 examples of angles and how to identify angles by their measurement. NOTE: The download is a PPT file.

Angles and Definition of an Angle
INSTRUCTIONAL RESOURCE: Nspire App Tutorial: Constructing an Isosceles Triangle

INSTRUCTIONAL RESOURCE: Nspire App Tutorial: Constructing an Isosceles Triangle

In this Slide Show, we show how to construct an isosceles triangle. This presentation requires the use of the TI-Nspire iPad App. Note: the download is a PPT.

Definition of a Triangle and Geometric Constructions with Triangles
INSTRUCTIONAL RESOURCE: Nspire App Tutorial: The Perpendicular Bisectors of a Triangle

INSTRUCTIONAL RESOURCE: Nspire App Tutorial: The Perpendicular Bisectors of a Triangle

In this Slide Show, we show how to construct the perpendicular bisectors of the three sides of a triangle to show they intersect at a single point. This presentation requires the use of the TI-Nspire iPad App. Note: the download is a PPT.

Definition of a Triangle and Geometric Constructions with Triangles
INSTRUCTIONAL RESOURCE: TI-Nspire App Activity: Constructing an Isosceles Triangle

INSTRUCTIONAL RESOURCE: TI-Nspire App Activity: Constructing an Isosceles Triangle

In this Slide Show, learn how to use the TI-Nspire App to construct an isosceles triangle. Note: The download is a PPT file.

Definition of a Triangle and Geometric Constructions with Triangles
INSTRUCTIONAL RESOURCE: Tutorial: Geometry Application: Himeji Castle

INSTRUCTIONAL RESOURCE: Tutorial: Geometry Application: Himeji Castle

INSTRUCTIONAL RESOURCE: Tutorial: Geometry Application: Himeji Castle

In this Slide Show, learn about the geometry of castle construction.

Applications of Angles and Planes
Instruction Resource: Tutorial: What Is the Angle Addition Postulate?

Instructional Resource: Tutorial: What Is the Angle Addition Postulate?

Instructional Resource: Tutorial: What Is the Angle Addition Postulate?

In this tutorial, learn what the Angle Addition Postulate is and how to use it to solve problems.

Applications of Angles and Planes
Interactive Crossword Puzzle--Triangles

Interactive Crossword Puzzle--Triangles

Interactive Crossword Puzzle--Triangles

This interactive crossword puzzle tests knowledge of key terms on the topic of triangles.

Definition of a Triangle
Interactive Math Game--Memory Game, Triangles

Interactive Math Game--Memory Game: Triangles

Interactive Math Game--Memory Game: Triangles

Use this math game to review triangles. This is a Memory-style game in which students must remember the location of pairs of identical images.

Definition of a Triangle
Interactive Math Game, Math Riddles--Angles

Interactive Math Game: Math Riddles--Angles

Interactive Math Game: Math Riddles--Angles

In this Math Riddles Game, have your students review vocabulary around the topic of angles.

Definition of an Angle
Interactive Math Game, Math Riddles--Triangles

Interactive Math Game: Math Riddles--Triangles

Interactive Math Game: Math Riddles--Triangles

In this Math Riddles Game, have your students review vocabulary around the topic of triangles.

Definition of a Triangle
Interactive Word Search Puzzle--Triangles, Puzzle 1

Interactive Word Search Puzzle--Triangles, Puzzle 1

Interactive Word Search Puzzle--Triangles, Puzzle 1

Solve an interactive word search puzzle on the topic of Triangles.

Definition of a Triangle
Interactive Word Search Puzzle--Triangles, Puzzle 2

Interactive Word Search Puzzle--Triangles, Puzzle 2

Interactive Word Search Puzzle--Triangles, Puzzle 2

Solve an interactive word search puzzle on the topic of Triangles.

Definition of a Triangle
Interactive Word Search Puzzle--Triangles, Puzzle 3

Interactive Word Search Puzzle--Triangles, Puzzle 3

Interactive Word Search Puzzle--Triangles, Puzzle 3

Solve an interactive word search puzzle on the topic of Triangles.

Definition of a Triangle
Interactive Word Search Puzzle--Triangles, Puzzle 4

Interactive Word Search Puzzle--Triangles, Puzzle 4

Interactive Word Search Puzzle--Triangles, Puzzle 4

Solve an interactive word search puzzle on the topic of Triangles.

Definition of a Triangle
Interactive Word Search Puzzle--Triangles, Puzzle 5

Interactive Word Search Puzzle--Triangles, Puzzle 5

Interactive Word Search Puzzle--Triangles, Puzzle 5

Solve an interactive word search puzzle on the topic of Triangles.

Definition of a Triangle
Math Clip Art--Triangle

Math Clip Art--Triangle

Math Clip Art--Triangle

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Coordinate Geometry and Applications of Triangles
Math Clip Art--Triangles--Equilateral Triangle

Math Clip Art--Triangles--Equilateral Triangle

Math Clip Art--Triangles--Equilateral Triangle

This is from a collection of triangular shapes. They come labeled and unlabeled.

Definition of a Triangle
Math Clip Art--Triangles--Isosceles Triangle

Math Clip Art--Triangles--Isosceles Triangle

Math Clip Art--Triangles--Isosceles Triangle

This is from a collection of triangular shapes. They come labeled and unlabeled.

Definition of a Triangle
Math Clip Art--Triangles--Right Triangle

Math Clip Art--Triangles--Right Triangle

Math Clip Art--Triangles--Right Triangle

This is from a collection of triangular shapes. They come labeled and unlabeled.

Right Triangles
Math Clip Art--Triangles--Triangle in Quadrant 1

Math Clip Art--Triangles--Triangle in Q1

Math Clip Art--Triangles--Triangle in Q1

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Coordinate Geometry and Applications of Triangles
Math Clip Art--Triangles--Triangle in Quadrant 2

Math Clip Art--Triangles--Triangle in Q2

Math Clip Art--Triangles--Triangle in Q2

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Coordinate Geometry and Applications of Triangles
Math Clip Art--Triangles--Triangle in Quadrant 3

Math Clip Art--Triangles--Triangle in Q3

Math Clip Art--Triangles--Triangle in Q3

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Coordinate Geometry and Applications of Triangles
Math Clip Art--Triangles--Triangle in Quadrant 4

Math Clip Art--Triangles--Triangle in Q4

Math Clip Art--Triangles--Triangle in Q4

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Coordinate Geometry and Applications of Triangles
Math Clip Art--Triangles--Two Triangles Share Vertical Angles Congruent--Labeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Congruent--Labeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Congruent--Labeled

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Triangles
Math Clip Art--Triangles--Two Triangles Share Vertical Angles Congruent--Unlabeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Congruent--Unlabeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Congruent--Unlabeled

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Triangles
Math Clip Art--Triangles--Two Triangles Share Vertical Angles Non Congruent--Labeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Non Congruent--Labeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Non Congruent--Labeled

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Triangles
Math Clip Art--Triangles--Two Triangles Share Vertical Angles Non Congruent--Unlabeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Non Congruent--Unlabeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Non Congruent--Unlabeled

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Triangles
Math Clip Art--Triangles--Two Triangles Share Vertical Angles Similar--Labeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Similar--Labeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Similar--Labeled

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Triangles
Math Clip Art--Triangles--Two Triangles Share Vertical Angles Similar--Unlabeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Similar--Unlabeled

Math Clip Art--Triangles--Two Triangles Share Vertical Angles Similar--Unlabeled

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Triangles
Math Clip Art--Triangles--Two Triangles with Common Base--Congruent--Labeled

Math Clip Art--Triangles--Two Triangles with Common Base--Congruent--Labeled

Math Clip Art--Triangles--Two Triangles with Common Base--Congruent--Labeled

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Triangles
Math Clip Art--Triangles--Two Triangles with Common Base--Congruent--Unlabeled

Math Clip Art--Triangles--Two Triangles with Common Base--Congruent--Unlabeled

Math Clip Art--Triangles--Two Triangles with Common Base--Congruent--Unlabeled

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Triangles
Math Clip Art--Triangles--Two Triangles with Common Base--Non Congruent--Labeled

Math Clip Art--Triangles--Two Triangles with Common Base--Non Congruent--Labeled

Math Clip Art--Triangles--Two Triangles with Common Base--Non Congruent--Labeled

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Triangles
Math Clip Art--Triangles--Two Triangles with Common Base--Non Congruent--Unlabeled

Math Clip Art--Triangles--Two Triangles with Common Base--Non Congruent--Unlabeled

Math Clip Art--Triangles--Two Triangles with Common Base--Non Congruent--Unlabeled

This is from a collection of triangular shapes. They come labeled and unlabeled.

Applications of Triangles

Math Clip Art: Comparing Right Triangles

Math Clip Art: Comparing Right Triangles

Use these clip art images and the background grid to test if the right triangles are similar.

Right Triangles

Math Clip Art: Right Triangles on a Grid Background

Math Clip Art: Right Triangles on a Grid Background

Have students explore right triangles on a grid background.

Right Triangles
Math Example--Geometric Proofs--Example 1

Math Example--Geometric Proofs--Example 1

Math Example--Geometric Proofs--Example 1

This is part of a collection of math examples that focus on geometric proofs.

Parallel Lines and Definition of a Triangle
Math Example--Geometric Proofs--Example 10

Math Example--Geometric Proofs--Example 10

Math Example--Geometric Proofs--Example 10

This is part of a collection of math examples that focus on geometric proofs.

Parallel Lines and Definition of a Triangle
Math Example--Geometric Proofs--Example 11

Math Example--Geometric Proofs--Example 11

Math Example--Geometric Proofs--Example 11

This is part of a collection of math examples that focus on geometric proofs.

Parallel Lines and Definition of a Triangle
Math Example--Geometric Proofs--Example 12

Math Example--Geometric Proofs--Example 12

Math Example--Geometric Proofs--Example 12

This is part of a collection of math examples that focus on geometric proofs.

Parallel Lines and Definition of a Triangle